It was the blue Aishi 470uf 10v caps in mine, which from what I've seen are the ones going in most of the switches. But if yours aren't bulging it could certainly be one of the other caps in yours....

Alright, for those that are interested in what the exact issue is, it is in fact a batch of bad capacitors. I replaced both bad caps in my faulty switches and both work just fine now. Some pretty...

@Dzei So after looking at a few similar posts, including ones with premature failures on kasa smart plugs as well, it looks like the problem is some bad capacitors that were used in several of their...

@Dzei same issue here with 2 out of 20+ switches suddenly stopped working. Both of them that died are newer, I have some of the older ones that are larger and they have been fine for a few years. I...